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Erigeron aequifolius
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Hall's Daisy
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Erigeron aequifolius

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About Hall's Daisy (Erigeron aequifolius) Erigeron aequifolius is a rare species of flowering plant in the aster family known by the common names Hall's daisy and Hall's fleabane. It is endemic to California, where it is known from fewer than 20 locations in the southern High Sierra Nevada of Mariposa, Fresno, Kern, and Tulare Counties. It grows in woodlands and coniferous forests. Erigeron aequifolius is a small perennial herb growing a hairy, glandular stem up to about 20 centimeters (8 inches) tall from a woody caudex and taproot. The small leaves are equal in size and evenly spaced along the stem. The inflorescence is a usually solitary flower head at the tip of the stem. The head contains many yellow disc florets surrounded by a fringe of ray florets which are white when new and turn blue as they dry. The fruit is a tiny achene with a pappus of bristles.
Plant Description
Plant Type
Perennial herb

Max. Height
7.9 in (20.1 cm)

Flower Color
White, Yellow

Native Status
Natural Setting
Elevation ?
3100' - 7678'

Annual Precip. ?
29.2" - 41.9"

Summer Precip. ?
0.75" - 1.41"

Coldest Month ?
31.5° F - 43.5° F

Hottest Month ?
54.2° F - 72.5° F

Humidity ?
2.12 vpd - 23.02 vpd

Landscaping Information
Common uses
Bee Gardens

Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Hall's Fleabane

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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